A court may, after notice and hearing pursuant to § 15-6-65(a), place reasonable restrictions and penalties for violation thereof upon the number and location of pickets or other persons permitted at any location based upon a finding that repeated incidents of the following nature have occurred:
(1) A violation of any law of the state of South Dakota or the United States prohibiting the use of force, threatening acts, violence or acts of intimidation directed toward any person entering upon, or leaving, the premises of the employer being picketed;(2) Obstruction or interference with the free ingress or egress to or from the premises of the employer being picketed;(3) Obstruction or interference with the free use of public streets, sidewalks or other public ways.It is a Class 2 misdemeanor for any person to violate any such restrictions imposed by a court.